A numerical analysis of the mechanisms behind plasticity induced crack closure: Application to variable amplitude loadings
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- 作者：F.V. Antunesa ; fernando.ventura@dem.uc.pt" class="auth_mail" title="E-mail the corresponding author ; F.A. Castanheiraa ; R. Brancob
- 关键词：Crack tip mechanisms ; Plasticity induced crack closure ; Residual plastic deformation ; Crack tip blunting ; Partial closure
- 刊名：International Journal of Fatigue
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：89
- 期：Complete
- 页码：43-52
- 全文大小：1432 K
文摘
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An analytical model was used to isolate the effect of residual deformation on PICC.
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Significant differences were obtained between model’s predictions and FEM results.
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Crack tip blunting explains the transient behaviour after overloads and load blocks.
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No evidences of Donald’s effect were found.